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Owner's Guide
In case of difficulty
PROBLEM
Thermostat is hot.
Wrong temperature is dis-
played.
Wrong time is displayed.
Temperature does not
change according to the pro-
grammed schedule.
LP appears on the screen or
the screen is blank despite
there is no power outage.
The settings cannot be
changed.
LO is displayed.
HI is displayed.
E1, E2 is displayed.
This condition is normal. Ensure that the heater capacity does
not exceed the thermostat's maximum load.
Correct it if any of the following situations exists:
•
The thermostat is exposed to an air draft.
•
The thermostat is located near or above a heat source such
as a light dimmer.
The thermostat was without power for more than 5 hours.
Check that the thermostat is in Automatic mode. Check the
schedule and clock settings. If the thermostat is configured in
12-hour format, ensure that PM appears on the screen when
afternoon times are displayed.
The thermal circuit breaker in the heater is opened. This can
happen if the heater is obstructed by furniture or curtain and has
overheated, or if the thermal circuit breaker is defective or too
sensitive.
The settings are locked (see page 13).
The measured temperature is below the display range. Heating
is activated.
The measured temperature is above the display range.
The thermostat performance is reduced due to a sensor error.
Please contact technical support for more information.
14
SOLUTIONS
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